Where is the limerick Nows the time for dickie dunkin?

The limerick "Now's the time for Dickie Dunkin" is a humorous and playful verse often associated with the Irish tradition of limericks. It typically features a character named Dickie Dunkin and follows the classic AABBA rhyme scheme. While specific origins or contexts may vary, such limericks are often shared in social settings or as part of lighthearted entertainment. If you need more information or context about it, please specify!